1982/83 O-Pee-Chee Hockey
The Hockey News January 20, 1989 (Digital)
Bobby Hull Autographed Chicago Blackhawks 8X10 Photo (50 Goals)
Bobby Hull (deceased) Autographed Winnipeg Jets 8X10 Photo
wha Archives - Vintage Hockey Cards Report
Career in Cards: Gordie Howe - Puck Junk
1972-73 O-Pee-Chee Set: Build or Buy? - Puck Junk
1970's - Adanac Antiques & Collectibles
WHA Hockey
1973-74 OPC O-Pee-Chee WHA Poster #16 Bobby Hull Winnipeg Jets